On Tue, Nov 23, 2010 at 7:50 AM, Peter Barada <peterb@xxxxxxxxxxx> wrote: > I've pulled the latest linux-2.6.37-rc3 kernel from kernel.org, and using > the arch/arm/configs/omap3plus_defconfig as .config, and turning on: > > CONFIG_MACH_OMAP35CONFIG_MACH_OMAP3530_LV_SOM=y > CONFIG_MACH_OMAP3_TORPEDO=y > > to run on the Logic OMAP35x boards, it failed to boot (no output from the > serial console). > > I added: > > CONFIG_DEBUG_LL=y > CONFIG_EARLY_PRINTK=y > > to turn on early debigging (and adding earlyprintk to the command line), and > see all looks fine up to the end of: > > Starting kernel ... > > Uncompressing Linux... done, booting the kernel. > Linux version 2.6.37-rc3-svn12998 (peter@blitz) (gcc version 4.3.3 (Sourcery > G++ > Lite 2009q1-203) ) #5 SMP Mon Nov 22 17:09:07 EST 2010 > CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c53c7f > CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache > Machine: Logic OMAP3 Torpedo board > debug: ignoring loglevel setting. > bootconsole [earlycon0] enabled > Memory policy: ECC disabled, Data cache writeback > OMAP3430/3530 ES3.1 (l2cache iva sgx neon isp ) > SRAM: Mapped pa 0x40200000 to va 0xfe400000 size: 0x10000 > On node 0 totalpages: 65536 > free_area_init_node: node 0, pgdat c05450a0, node_mem_map c0579000 > Normal zone: 512 pages used for memmap > Normal zone: 0 pages reserved > Normal zone: 65024 pages, LIFO batch:15 > PERCPU: Embedded 7 pages/cpu @c077c000 s4928 r8192 d15552 u32768 > pcpu-alloc: s4928 r8192 d15552 u32768 alloc=8*4096 > pcpu-alloc: [0] 0 > Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024 > Kernel command line: display=15 console=ttyS0,115200 root=/dev/nfs rw > nfsroot=19 > 2.168.3.5:/opt/nfs-exports/ltib-omap,wsize=1500,rsize=1500 ip=dhcp > no_console_su ... > io scheduler noop registered > io scheduler deadline registered > > where the output turns to trash on the serial console. > > 1) Is omap2plus_defconfig the default kernel configuration I should use for > the Logic OMAP35x boards? > 2) If so, any suggestions on where/why the console serial port is going > south? > If you have CONFIG_SERIAL_OMAP enabled (which should be enabled with the omap2plus_defconfig, then the serial port would now be ttyO0 instead of ttyS0. Try changing this. - Anand -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html